Coolant Temperature Sensor/Switch (For Computer): Service and Repair

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ENGINE COOLANT TEMPERATURE SENSOR REMOVAL / INSTALLATION - 4.0L

1. Disconnect battery.
2. Partially drain the cooling system. See ENGINE COOLANT REPLACEMENT - 4.0L.
3. Disconnect engine coolant temperature (ECT) sensor connector.
4. Remove the clip and the ETC sensor. Discard the O-ring seal.
5. To install, reverse the removal procedure.
- Install a new O-ring seal.